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Three-dimensional axisymmetric cloak based on the cancellation of acoustic scattering from a sphere

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Three-dimensional axisymmetric cloak based on the cancellation of acoustic scattering from a sphere

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dc.contributor.author Sanchis Martínez, Lorenzo es_ES
dc.contributor.author García Chocano, Víctor Manuel es_ES
dc.contributor.author Llopis Pontiveros, Rafael es_ES
dc.contributor.author Climente Alarcón, Alfonso es_ES
dc.contributor.author Martínez Pastor, J. es_ES
dc.contributor.author Cervera Moreno, Francisco Salvador es_ES
dc.contributor.author Sánchez-Dehesa Moreno-Cid, José es_ES
dc.date.accessioned 2015-12-15T08:41:26Z
dc.date.available 2015-12-15T08:41:26Z
dc.date.issued 2013-03-20
dc.identifier.issn 0031-9007
dc.identifier.uri http://hdl.handle.net/10251/58809
dc.description.abstract This Letter presents the design, fabrication, and experimental characterization of a directional threedimensional acoustic cloak for airborne sound. The cloak consists of 60 concentric acoustically rigid tori surrounding the cloaked object, a sphere of radius 4 cm. The major radii and positions of the tori along the symmetry axis are determined using the condition of complete cancellation of the acoustic field scattered from the sphere. They are obtained through an optimization technique that combines genetic algorithm and simulated annealing. The scattering cross section of the sphere with the cloak, which is the magnitude that is minimized, is calculated using the method of fundamental solutions. The low-loss fabricated cloak shows a reduction of the 90% of the sphere scattering cross section at the frequency of 8.55 kHz. es_ES
dc.description.sponsorship This work is partially supported by the Spanish Ministerio de Economia y Competitividad under Contracts No. TEC2010-19751, No. TEC2011-29120-C05-01, and No. CSD2008-00066 (CONSOLIDER Program), and by the U.S. Office of Naval Research. The authors acknowledge the "Centro de Tecnologias Fisicas'' at the UPV for technical help during data acquisition. We also acknowledge the computing facilities provided by the Universidad de Valencia. en_EN
dc.language Inglés es_ES
dc.publisher American Physical Society es_ES
dc.relation.ispartof Physical Review Letters es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Acoustic cloaks es_ES
dc.subject Radiation es_ES
dc.subject Design es_ES
dc.subject.classification FISICA APLICADA es_ES
dc.subject.classification TECNOLOGIA ELECTRONICA es_ES
dc.title Three-dimensional axisymmetric cloak based on the cancellation of acoustic scattering from a sphere es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1103/PhysRevLett.110.124301
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//TEC2010-19751/ES/NUEVOS DISPOSITIVOS BASADOS EN METAMATERIALES ELECTROMAGNETICOS Y ACUSTICOS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//TEC2011-29120-C05-01/ES/PUNTOS CUANTICOS SEMICONDUCTORES COMO CLAVE PARA FUTURAS TECNOLOGIAS: DE LA NANOFOTONICA A LA NANOPLASMONICA/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//CSD2008-00066/ES/Ingeniería de Metamateriales/ es_ES
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Electrónica - Departament d'Enginyeria Electrònica es_ES
dc.description.bibliographicCitation Sanchis Martínez, L.; García Chocano, VM.; Llopis Pontiveros, R.; Climente Alarcón, A.; Martínez Pastor, J.; Cervera Moreno, FS.; Sánchez-Dehesa Moreno-Cid, J. (2013). Three-dimensional axisymmetric cloak based on the cancellation of acoustic scattering from a sphere. Physical Review Letters. 110(12). https://doi.org/10.1103/PhysRevLett.110.124301 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1103/PhysRevLett.110.124301 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 110 es_ES
dc.description.issue 12 es_ES
dc.relation.senia 243086 es_ES
dc.identifier.eissn 1079-7114
dc.contributor.funder Ministerio de Ciencia e Innovación es_ES
dc.contributor.funder Office of Naval Research es_ES
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